228144667 has 2 divisors, whose sum is σ = 228144668. Its totient is φ = 228144666.

The previous prime is 228144617. The next prime is 228144671. The reversal of 228144667 is 766441822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228144667 is a prime.

It is not a weakly prime, because it can be changed into another prime (228144617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114072333 + 114072334.

It is an arithmetic number, because the mean of its divisors is an integer number (114072334).

Almost surely, 2^228144667 is an apocalyptic number.

228144667 is a deficient number, since it is larger than the sum of its proper divisors (1).

228144667 is an equidigital number, since it uses as much as digits as its factorization.

228144667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 228144667 is about 15104.4585139620. The cubic root of 228144667 is about 611.0406557808.

The spelling of 228144667 in words is "two hundred twenty-eight million, one hundred forty-four thousand, six hundred sixty-seven".